package edu.xidian.onlinedocument.utils.ot.internal.operations;

public class ChangeType {

    public static boolean isRetain(Change change) {
        return (change instanceof Retain);
    }

    public static boolean isInsert(Change change) {
        return (change instanceof Insert);
    }

    public static boolean isDelete(Change change) {
        return (change instanceof Delete);
    }
}
